We____here two hours ago . So we___ _here for two hours .
| A．have arrived , have been | B．have come , have been |
| C．came , have come | D．arrived , have been |
We____here two hours ago . So we___ _here for two hours .
| A．have arrived , have been | B．have come , have been |
| C．came , have come | D．arrived , have been |
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